Specifications:

Working voltage: AC12V~0~12V

4 channels of audio input, one channel of output, choose one of four to switch.

The pre-amp gain is about 5 times.

The power supply circuit is a high-speed DC power supply, which provides an extremely regulated power supply for the amplifier circuit.

PCB size: 62.5 x 59 mm, PCB thickness 1.6mm, PCB copper foil thickness 2OZ.

Product net weight: 35 grams.

High-speed low-resistance electrolytic capacitors, German Siemens film capacitors, Japanese high-precision five-color ring metal film resistors.